Abstract
Synthesis, structure characterization, and magnetic properties of three novel cyano-bridged complexes {[MnII(bpy)(DMF)2]2[MoIV(CN)8]·1.5H2O} n (1), [CuII(L)]2[MoIV(CN)8]·6.75H2O (2), and [MnII(bpy)2]4[MoIV(CN)8]2·4MeOH·4H2O (3) (where DMF = N,N′-dimethylformamide; bpy = 2,2-bipyridine and L = 1,3,6,8,11,14-hexaazatricyclo[12.2.1.18,11]octadecane) have been studied. The X-ray single-crystal structure reveals that 1 is a cyanide-bridged 1D infinite chain with the alternating of MnII(bpy)(DMF)2 and MoIV(CN)8 moieties. The neighboring chains interact with each other by hydrogen bonding to form a sheet-like network, and the layers further extend to a 3D network due to the face-to-face π···π stack interactions. For 2, the MoIV center adopts a distorted square antiprism coordination environment, while the CuII center adopts a distorted square pyramidal geometry. The weak Mo–CN···Cu interactions between neighboring molecules lead to a 2D network structure of 2. For 3, basic structural unit is centrosymmetric and contains four MnII centers bridged by two octacyanomolybdate(IV). Here, their magnetic properties have also been studied.
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This project was supported by the National Natural Science Foundation of China 20631030 and National Basic Research Program of China 973 Program, 2007CB815305.
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Ma, SL., Ma, Y., Ren, S. et al. Three novel octacyanomolybdate(IV)–M(II) [M = Mn and Cu] bimetallic assemblies: crystal structures and magnetic properties. Struct Chem 19, 329–338 (2008). https://doi.org/10.1007/s11224-008-9289-8
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DOI: https://doi.org/10.1007/s11224-008-9289-8